# Penumbra Invert vs Video Speedifier

Penumbra Invert and Video Speedifier are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Penumbra Invert | Video Speedifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/video-speedifier/id6777611041/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 1 MB | 10 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Spitale](https://appshunter.io/developer/1564663828) | [Justin James](https://appshunter.io/developer/1183367472) |

## What reviewers say

### Penumbra Invert

[App page](https://appshunter.io/ios/app/penumbra-invert/id1609172060)

**Features:** Safari Extension

**In-app purchases:** none


### Video Speedifier

[App page](https://appshunter.io/ios/app/video-speedifier/id6777611041)

Adjust the playback speed of any video directly within your browser. Offers precise control with a slider and customizable presets, allowing you to speed up or slow down content on various platforms.

**Highlights:** Precise speed control (0.1x to 5x), Customizable preset buttons, Overdrive mode for faster playback, Works on iPhone, iPad, and Mac, Intelligent handling of dynamic videos

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Penumbra Invert free?

Penumbra Invert is free to download, with no in-app purchases.

### Is Video Speedifier free?

Video Speedifier is free to download, with no in-app purchases.

### Do Penumbra Invert or Video Speedifier have ads?

Neither Penumbra Invert nor Video Speedifier shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*